1/* 2 * @APPLE_LICENSE_HEADER_START@ 3 * 4 * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. Please obtain a copy of the License at 10 * http://www.opensource.apple.com/apsl/ and read it before using this 11 * file. 12 * 13 * The Original Code and all software distributed under the License are 14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 18 * Please see the License for the specific language governing rights and 19 * limitations under the License. 20 * 21 * @APPLE_LICENSE_HEADER_END@ 22 */ 23 24#undef enqueue 25#include "IOHIDEventSystemQueue.h" 26 27#define super IOSharedDataQueue 28OSDefineMetaClassAndStructors( IOHIDEventSystemQueue, super ) 29 30//--------------------------------------------------------------------------- 31Boolean IOHIDEventSystemQueue::enqueue(void *data, UInt32 dataSize) 32{ 33 Boolean result = false; 34 35 _didSendNotificationForLastEnqueue = false; 36 37 result = super::enqueue(data, dataSize); 38 if (!_didSendNotificationForLastEnqueue) { 39 //kprintf("IOHIDEventSystemQueue sending notification for IOSharedDataQueue.\n"); 40 sendDataAvailableNotification(); 41 } 42 43 return result; 44} 45 46//--------------------------------------------------------------------------- 47void IOHIDEventSystemQueue::sendDataAvailableNotification() 48{ 49 super::sendDataAvailableNotification(); 50 _didSendNotificationForLastEnqueue = true; 51} 52 53//--------------------------------------------------------------------------- 54